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Автор - Enotiik

Решите уравнения:
2) 3х-(5-х)=11
3)48=11-(9х+2)
4)13-(5х+11)=6х

Ответ

Автор - kotik69
2) 3х-(5-х)=11
3х - 5 + х = 11
3х+ х = 11 + 5
4х = 16
х=16:4
х=4

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